21146265

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7459}}^1$

素因数の和:7483

約数の個数: 40

約数和(自身を含む): 43327680

約数和(自身を除く): 22181415

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7459, 22377, 37295, 52213, 67131, 111885, 156639, 201393, 261065, 335655, 469917, 604179, 783195, 1006965, 1409751, 2349585, 3020895, 4229253, 7048755, 21146265]

約数ペア:

[(1, 21146265), (3, 7048755), (5, 4229253), (7, 3020895), (9, 2349585), (15, 1409751), (21, 1006965), (27, 783195), (35, 604179), (45, 469917), (63, 335655), (81, 261065), (105, 201393), (135, 156639), (189, 111885), (315, 67131), (405, 52213), (567, 37295), (945, 22377), (2835, 7459)]